Finding the Fourth Proportional to 49,789.94, 68,678.73 and 29,631.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,789.94 : 68,678.73 = 29,631.78 : x
2. Step 2: Convert to fraction form
   49,789.94/68,678.73 = 29,631.78/x
3. Step 3: Cross multiply
   49,789.94x = 68,678.73 × 29,631.78
4. Step 4: Simplify right side
   49,789.94x = 2,035,073,018.04
5. Step 5: Solve for x
   x = 2,035,073,018.04/49,789.94
6. Step 6: Final answer
   x = 40,873.18